Sum of field values in SQL in Python
To find the sum of the values of one field (column), you should apply the SUM function.
Let's find the sum of all values of id:
query = "SELECT SUM(id) FROM users"
The result of the executed code:
{'SUM(id)': Decimal('21')}
Find the sum of all users' salaries.
Find the sum of all user ages.
Find the sum of salaries of users whose age is greater than or equal to 25.
